Brillouin, Leon <br/><br/>
Wave propagation and group velocity 

 - New York  ; Academic Press  , 1960 
 - xi.154p. 
<br/><br/><label>ISBN: </label>  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering<br/>Wave Propagation
<br/><br/><label>Dewey Class. No.: </label>621.3824  / BRI